A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Drilling and sampling tertiary gold-bearing gravels at Badger Hill, Nevada County, Calif.
Drilling and sampling tertiary gold-bearing gravels at Badger Hill, Nevada County, Calif.
Drilling and sampling tertiary gold-bearing gravels at Badger Hill, Nevada County, Calif.
1974
II, 50 S
2 Beil
Ill., graph. Darst., Kt
Digital preservation by Technische Informationsbibliothek (TIB) / Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothek
Book
English
Gold-bearing gravels of Beauce county, Quebec
Engineering Index Backfile | 1915
Hydraulic dredging for gold-bearing gravels
| Engineering Index Backfile | 1909
Methods and costs of dredging auriferous gravels at Lancha Plana, Amador county, Calif.
| Engineering Index Backfile | 1932